99587497 has 2 divisors, whose sum is σ = 99587498. Its totient is φ = 99587496.

The previous prime is 99587491. The next prime is 99587533. The reversal of 99587497 is 79478599.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99580441 + 7056 = 9979^2 + 84^2 .

It is a cyclic number.

It is not a de Polignac number, because 99587497 - 2¹⁵ = 99554729 is a prime.

It is not a weakly prime, because it can be changed into another prime (99587491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49793748 + 49793749.

It is an arithmetic number, because the mean of its divisors is an integer number (49793749).

Almost surely, 2^99587497 is an apocalyptic number.

It is an amenable number.

99587497 is a deficient number, since it is larger than the sum of its proper divisors (1).

99587497 is an equidigital number, since it uses as much as digits as its factorization.

99587497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 58.

The square root of 99587497 is about 9979.3535361766. The cubic root of 99587497 is about 463.5197806753.

The spelling of 99587497 in words is "ninety-nine million, five hundred eighty-seven thousand, four hundred ninety-seven".